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/*
 * Smart GWT (GWT for SmartClient)
 * Copyright 2008 and beyond, Isomorphic Software, Inc.
 *
 * Smart GWT is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License version 3
 * as published by the Free Software Foundation.  Smart GWT is also
 * available under typical commercial license terms - see
 * http://smartclient.com/license
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 */
 
package com.smartgwt.client.widgets.form.events;

import com.smartgwt.client.event.*;
import com.google.gwt.event.shared.HandlerRegistration;
import com.google.gwt.event.shared.HasHandlers;

public interface HasItemChangeHandlers extends HasHandlers {
    /**
     * Handler fired when there is a change() event fired on a FormItem within this form.  Fires after the change() handler
     * on the FormItem itself, and only if the item did not cancel the change event and chooses to allow it to propagate to the
     * form as a whole.
     *
     * @param handler the itemChange handler
     * @return {@link HandlerRegistration} used to remove this handler
     */
    HandlerRegistration addItemChangeHandler(ItemChangeHandler handler);
}